[PATCH] D91673: [PGO] Enable preinline and cleanup when optimize for size

[Zequan Wu via Phabricator via cfe-commits]

zequanwu updated this revision to Diff 305948.
zequanwu added a comment.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

update wrong diff.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D91673/new/

https://reviews.llvm.org/D91673

Files:
  llvm/lib/Transforms/IPO/PassManagerBuilder.cpp


Index: llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
===================================================================
--- llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -330,10 +330,8 @@
     return;
 
   // Perform the preinline and cleanup passes for O1 and above.
-  // And avoid doing them if optimizing for size.
   // We will not do this inline for context sensitive PGO (when IsCS is true).
-  if (OptLevel > 0 && SizeLevel == 0 && !DisablePreInliner &&
-      PGOSampleUse.empty() && !IsCS) {
+  if (OptLevel > 0 && !DisablePreInliner && PGOSampleUse.empty() && !IsCS) {
     // Create preinline pass. We construct an InlineParams object and specify
     // the threshold here to avoid the command line options of the regular
     // inliner to influence pre-inlining. The only fields of InlineParams we
@@ -342,7 +340,7 @@
     IP.DefaultThreshold = PreInlineThreshold;
     // FIXME: The hint threshold has the same value used by the regular inliner.
     // This should probably be lowered after performance testing.
-    IP.HintThreshold = 325;
+    IP.HintThreshold = SizeLevel > 0 ? 75 : 325;
 
     MPM.add(createFunctionInliningPass(IP));
     MPM.add(createSROAPass());


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